Education
1992-1996 Chemical Engineering, Beijing Technology and Business University, B.S.
1997-1999 Chemistry, East Carolina University, M.S.           
1999-2004 Inorganic Chemistry, Northwestern University, Ph.D.
Work Experience
2004-2006 Department of Materials Science and Engineering, Massachusetts Institute of Technology, Post-doctoral
2006-2011 Department of Chemistry, National University of Singapore, Investigator
2011-2016 Department of Chemistry, National University of Singapore, Senior Investigator
2011-2018 Institute of Materials Research and Engineering, Agency for Science, Technology and Research, Senior Investigator
2013-Present  National University of Singapore Suzhou Research Institute, Chief Principal Investigator
2017-Present  Department of Chemistry, National University of Singapore, Principal Investigator        
2017-Present  National University of Singapore Suzhou Research Institute, Chief Principal Investigator
2020-Present  Institute of Materials Research and Engineering, Agency for Science, Technology and Research, Adjunct Principal Scientist

Research Interests
Supramolecular coordination chemistry, catalysis, chemical sensors and biosensors, optogenetics, photon upconversion, X-ray photonics.

Representative Publications

[1] J. Tan, P. Zhang, X. Song, C. Han*, F. Wang, J. Zhang, C. Duan, Z. Zhang, S. Han*, H. Xu*, X. Liu*. "Electro-generated excitons for tunable lanthanide electroluminescence”. Nature 647, 632–638 (2025).

[2] C. Schiattarella, S. Romano, L. Sirleto, V. Mocella, I. Rendina, V. Lanzio, F. Riminucci, A. Schwartzberg, S. Cabrini, J. Chen, L. Liang, X. Liu*, & G. Zito*. “Directive giant upconversion by supercritical bound states in the continuum“. Nature, 2024, 626(8000), 765-771.

[3] L. Yi, B. Hou, H. Zhao, X. Liu*. “X-ray-to-visible light-field detection through pixelated colour conversion“. Nature, 2023, 618, 281–286.

[4] X. Ou, X. Qin, B. Huang, J. Zan, Q. Wu, Z. Hong, L. Xie, H. Bian, Z. Yi, X. Chen, Y. Wu, X. Song, J. Li, Q. Chen*, H. Yang*, X. Liu*. “High-resolution X-ray luminescence extension imaging”. Nature, 2021, 590, 410–415.

[5] S. Han, R. Deng*, Q. Gu, L. Ni, U. Huynh, J. Zhang, Z. Yi, B. Zhao, H. Tamura, A. Pershin, H. Xu, Z. Huang, S. Ahmad, M. Abdi-Jalebi, A. Sadhanala, M. L. Tang, A. Bakulin, D. Beljonne, X. Liu* & A. Rao*, “Lanthanide-doped inorganic nanoparticles turn molecular triplet excitons bright”, Nature, 2020, 587, 594–599.

[6] Wu, Y., Xu, J., Poh, E. T., Liang, L., Liu, H., Yang, J. K. W., Qiu, C.-W., Vallée, R. A. L., Liu, X. “Upconversion Superburst with Sub-2 μs Lifetime”. Nature Nanotechnology 2019, 14, 1110.

[7] Q. Chen, J. Wu, X. Ou, B. Huang, J. Almutlaq, A. A. Zhumekenov, X. Guan, S. Han, L. Liang, Z. Yi, J. Li, X. Xie, Y. Wang, Y. Li, D. Fan, D. B. L. The, A. H. All, O. F. Mohammed, O. M. Bakr, T. Wu, M. Bettinelli, H. Yang, W. Huang, X. Liu, “All-Inorganic Perovskite Nanocrystal Scintillators”. Nature 2018, 561, 88.
[8] S. Chen, Z. W. Adam, X. Zeng, L. He, X. Wang, Y. Tao, A. J. Huang, Y. Hashimotodani, M. Kano, H. Iwasaki, L. K. Parajuli, S. Okabe., D. B. L. Teh, A. H. All, I. Tsutsui-Kimura, K. F. Tanaka, X. Liu, T. J. McHugh, “Near-Infrared Deep Brain Stimulation via Upconversion Nanoparticle-Mediated Optogenetics”. Science 2018, 359, 679-684.
[9] C. D. S. Brites, X. Xie, M. L. Debasu, X. Qin, R. Chen, W. Huang, J. Rocha, X. Liu, L. D. Carlos, “Instantaneous Ballistic Velocity of Suspended Brownian Nanocrystals Measured by Upconversion Nanothermometry”. Nature Nanotechnology 2016, 11, 851-856.
[10] Z. An, C. Zheng, Y. Tao, R. Chen, H. Shi, T. Chen, Z. Wang, H. Li, R. Deng, X. Liu, W. Huang, “Stabilizing excited triplet state for ultralong organic phosphorescence”. Nature Materials 2015, 14, 685-690.

NUS Webpage

https://chemistry.nus.edu.sg/people/liu-xiaogang/